A skull from the genus Homo that dates from approximately 750,000 years ago is discovered. Where is the foramen magnum be located?A. at the back of the skull
B. at the front of the skull
C. at the bottom of the skull
D. at the top of the skull

Answers

Answer 1
Answer: The correct answer would be option C. A skull from the genus Homo that dates from approximately 750,000 years ago has its foramen magnum at the bottom of the skull. The foramen magnum is the opening at the base of the skull where the spinal cord joins the brain. The foramen magnum of a Homo is in a more forward position indicating that it had a more erect posture. 

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What is a climax community

Answers

Answer:

An extreme disturbance that only affects the organisms above the ground.

Explanation:

Final answer:

A climax community refers to the final, stable stage in the ecological succession of an ecosystem. An example is a mature forest ecosystem with a stable species balance that can self-perpetuate as long as the environment remains unchanged.

Explanation:

A climax community is a term used in ecology to describe a stable stage in the ecological succession of an ecosystem. To put it simply, it is the final stage of succession, wherein the species of plants, animals, and fungi are balanced and capable of self-perpetuation without further change in species composition. This state is achieved over a long period through the natural evolution of the ecosystem and it persists as long as the environment remains unchanged.

For example, in a forest ecosystem, where succession might begin with pioneer species like lichens or moss, the climax community would be a stable forest populated by trees that are capable of reproducing there, like oak or beech trees. This forest would also contain a variety of animal species that have adapted to the conditions of the forest and are part of a balanced food chain.

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Inside which portion of a cell does translation take place?A. The endoplasmic reticulum
B. The nucleus
C. The cytosol
D. The Golgi complex
E. The cell membrane

Answers

Translation occurs in the nucleus to produce a pre-mRNA molecule.  The pre-mRNA is the processed into the mature mRNA which exists the nucleus and is translated into the cytoplasm.
So, the answer is B)  NUCLEUS

Which is an antecedent condition?a. leadership outcomes
b. conceptualization
c. follower receptivity
d. putting followers first?

Answers

C. Follower Receptivity.

Which of the following plant-cell organelle supports and maintains the cell's shape and protects the cell from damage? A. cell membrane B. cell wall C. chloroplast. D. vacuole

Answers

Answer;

-Cell wall

Explanation;

-The cell wall is thick and fibrous and provides a barrier between the cell and its external environment.

-The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure. The plant cell wall consists of three layers. Each layer has its own unique structure and function.

-A major role of the cell wall is to form a framework for the cell to prevent over expansion. Cellulose fibers, structural proteins, and other polysaccharides help to maintain the shape and form of the cell. Additional functions of the cell wall include: Support: The cell wall provides mechanical strength and support.

Cell wall supports and maintains the cell's shape and protects the cell from damage (option B)'

What is Cell wall?

The plant cell is protected by a layer called the cell wall, which encloses the cell membrane. This rigid structure, composed of cellulose offers both support and safeguarding functions, for the cell. Additionally the cell wall plays a role, in preserving the cells shape and preventing it from rupturing when exposed to pressure.

The cell membrane on the hand forms an outer layer encompassing every type of cell.

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Part A To what does the term "ligand" refer in cell biology? View Available Hint(s) To what does the term "ligand" refer in cell biology? the change in shape that occurs when a signaling molecule binds to its receptor the target cell of a signal molecule the bond that forms between a signaling molecule and its receptor any small molecule that can bind in a specific manner to a larger one a molecule that can occupy a receptor site while not activating the receptor

Answers

Answer: any small molecule that can bind in a specific manner to a larger one

Explanation:

A ligand can be simply defined as an ion or a molecule that binds to usually a metallic element, in a coordination or complex compound.

The term "ligand" refers in cell biology to  any small molecule that can bind in a specific manner to a larger one.

What is the functional significance of ligand-receptor binding in biological and molecule cell mechanisms?

The functional significance of ligand-receptor binding in biological and molecule cell mechanisms is based on the fact that these binding activates signaling pathways required for the metabolism of a given cell.

Therefore, with this data, we can see that ligand receptor binding is fundamental during signaling cascades and it involves the activation of a specific metabolic pathway.

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Which of the following organisms is classified in the Plant Kingdom? earthworm maple tree mushroom mollusk

Answers

The maple tree is in the Plant Kingdom. The earthworm and mollusk are in the Animal Kingdom, and mushrooms are in the Kingdom of Fungi.